Let IndexedDBContextImpl create its own task runner

content/browser/indexed_db/indexed_db_context_impl.h

Index: content/browser/indexed_db/indexed_db_context_impl.h
diff --git a/content/browser/indexed_db/indexed_db_context_impl.h b/content/browser/indexed_db/indexed_db_context_impl.h
index 47e577426d49023d2770de750d8d5a582d2d6f21..d2dd94a976810981ead5190cd5272c2f50c2a0d7 100644
--- a/content/browser/indexed_db/indexed_db_context_impl.h
+++ b/content/browser/indexed_db/indexed_db_context_impl.h
@@ -61,8 +61,7 @@ class CONTENT_EXPORT IndexedDBContextImpl
   // If |data_path| is empty, nothing will be saved to disk.
   IndexedDBContextImpl(const base::FilePath& data_path,
                        storage::SpecialStoragePolicy* special_storage_policy,
-                       storage::QuotaManagerProxy* quota_manager_proxy,
-                       scoped_refptr<base::SequencedTaskRunner> task_runner);
+                       storage::QuotaManagerProxy* quota_manager_proxy);
 
   IndexedDBFactory* GetIDBFactory();
 
@@ -77,7 +76,8 @@ class CONTENT_EXPORT IndexedDBContextImpl
   void CopyOriginData(const GURL& origin_url,
                       IndexedDBContext* dest_context) override;
   base::FilePath GetFilePathForTesting(const GURL& origin_url) const override;
-  void SetTaskRunnerForTesting(base::SequencedTaskRunner* task_runner) override;
+  void SetTaskRunnerForTesting(
+      const scoped_refptr<base::SequencedTaskRunner>& task_runner) override;

[gab, 2017/06/13 15:31:23]

ditto (prefer by value)

 
   // TODO(jsbell): Replace IndexedDBContext members with these.
   int64_t GetOriginDiskUsage(const url::Origin& origin);